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100%100%Posted Feb 3, 2010 0:33 UTC (Wed) by ncm (subscriber, #165)In reply to: Facebook's "HipHop" PHP translator by bk Parent article: Facebook's "HipHop" PHP translator
No. If the A knew that its input could only come from B, then A could apply additional optimizations forbidden for the general case. However, the construct "100% perfectly optimizing" is strictly meaningless; many optimizations imply tradeoffs, potentially slowing down unlikely sequences in exchange for improving more common ones.
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